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An efficient method for inverse problemsA new inverse method for aerodynamic design of subcritical airfoils is presented. The pressure distribution in this method can be prescribed in a natural way, i.e. as a function of arclength of the as yet unknown body. This inverse problem is shown to be mathematically equivalent to solving a single nonlinear boundary value problem subject to known Dirichlet data on the boundary. The solution to this problem determines the airfoil, the free stream Mach number M(sub x) and the upstream flow direction theta(sub x). The existence of a solution for any given pressure distribution is discussed. The method is easy to implement and extremely efficient. We present a series of results for which comparisons are made with the known airfoils.
Document ID
19930074243
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Daripa, Prabir
(Texas A&M Univ. College Station, TX, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1987
Publication Information
Publication: Pennsylvania State Univ., The Second International Conference on Inverse Design Concepts and Optimization in Engineering Sciences (ICIDES-2)
Subject Category
Aerodynamics
Accession Number
93N71690
Funding Number(s)
CONTRACT_GRANT: NSG-1617
CONTRACT_GRANT: DE-AC02-76ER-03007
CONTRACT_GRANT: AF-AFOSR-0336-83
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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